diff --git a/packages/frontend/src/App.tsx b/packages/frontend/src/App.tsx
index fec6507..e7c91f0 100644
--- a/packages/frontend/src/App.tsx
+++ b/packages/frontend/src/App.tsx
@@ -261,6 +261,7 @@ const RekordboxReader: React.FC = () => {
 
   // Handle drop from song list into playlist (with duplicate check and user choice)
   const handleDropSongsToPlaylist = async (playlistName: string, songIds: string[]) => {
+    console.debug('[DnD] App received drop', { playlistName, count: songIds?.length, songIds });
     // Find target playlist current tracks
     const findNode = (nodes: PlaylistNode[]): PlaylistNode | null => {
       for (const n of nodes) {
@@ -273,7 +274,10 @@ const RekordboxReader: React.FC = () => {
       return null;
     };
     const target = findNode(playlists);
-    if (!target) return;
+    if (!target) {
+      console.debug('[DnD] target playlist not found', playlistName);
+      return;
+    }
     const existing = new Set(target?.tracks || []);
     const dupes = songIds.filter(id => existing.has(id));
 
@@ -285,8 +289,12 @@ const RekordboxReader: React.FC = () => {
     }
 
     const finalIds = proceedMode === 'skip' ? songIds.filter(id => !existing.has(id)) : songIds;
-    if (finalIds.length === 0) return;
+    if (finalIds.length === 0) {
+      console.debug('[DnD] nothing to add after duplicate filter');
+      return;
+    }
     await handleAddSongsToPlaylist(finalIds, playlistName);
+    console.debug('[DnD] add completed');
     toast({
       title: 'Songs Added',
       description: `${finalIds.length} song${finalIds.length === 1 ? '' : 's'} added to "${playlistName}"`,
diff --git a/packages/frontend/src/components/PlaylistManager.tsx b/packages/frontend/src/components/PlaylistManager.tsx
index a095696..fab6554 100644
--- a/packages/frontend/src/components/PlaylistManager.tsx
+++ b/packages/frontend/src/components/PlaylistManager.tsx
@@ -255,9 +255,17 @@ const PlaylistItem: React.FC<PlaylistItemProps> = React.memo(({
             } else if ((window as any).__rbDragPayload) {
               parsed = (window as any).__rbDragPayload;
             }
+            console.debug('[DnD] drop playlist handler presence', node.name, Boolean(onDropSongs));
             if (parsed?.type === 'songs' && Array.isArray(parsed.songIds) && onDropSongs) {
               console.debug('[DnD] invoking onDropSongs', node.name, parsed.songIds.length);
               onDropSongs(node.name, parsed.songIds);
+            } else {
+              console.debug('[DnD] drop playlist no action', node.name, {
+                hasParsed: Boolean(parsed),
+                type: parsed?.type,
+                isArray: Array.isArray(parsed?.songIds),
+                hasHandler: Boolean(onDropSongs)
+              });
             }
             console.debug('[DnD] drop playlist', node.name, parsed, 'raw len', json?.length || 0);
           } catch (err) {
@@ -448,6 +456,7 @@ export const PlaylistManager: React.FC<PlaylistManagerProps> = ({
             onPlaylistDelete={onPlaylistDelete}
             onPlaylistMove={onPlaylistMove}
             allFolders={allFolders}
+            onDropSongs={onDropSongs}
           />
         ))}
       </VStack>